Answer:
9:3:3:1
Explanation:
pretty sure it's 9:3:3:1, I might be wrong sorry
Fossil evidence because these changed occur over long time periods (millions of years).
The correct answer for the question that is being presented above is this one: "B. extra chromosome 21." Karyotypes can be studied to determine an organism’s chromosomal makeup and to detect genetic defects. Down syndrome is a genetic disorder that is also called trisomy 21. Trisomy 21 look like in a karyotype with <span>extra chromosome 21</span>
Answer:
too fast give you freedom you know as an adult so they they can test your sensitivity as an adult then they really see if you really need your field
